• 10am-7pm: Rob Heard’s exhibition Shrouds of the Somme at the Olympic Park, Stratford, east London Features 72,396 small figures, representing every Commonwealth serviceman who died in the Battle of the Somme and whose bodies were never found.

WALES

FRANCE

• 10.30am: ceremony at the Australian National Memorial, Villers-Bretonneux, Somme.

• 10.40am: parade at the Thiepval Memorial to the Missing in Somme.

• 11am: remembrance ceremony at the Arc de Triomphe in Paris, attended by French president Emmanuel Macron, US president Donald Trump, Russia president Vladimir Putin, German chancellor Angela Merkel and Irish taoiseach Leo Varadkar.